On Mon, Mar 08, 2010 at 03:21:32PM +0800, Martin Aspeli wrote: > Matthew Palmer wrote: >>> What is the normal way to handle this? Do people have one floating IP >>> address per service? >> >> This is how I prefer to do it. RFC1918 IP addresses are cheap, IPv6 address >> quintuply so. Having everything tied to one address causes some mayhem when >> something falls over (failover is quick, but it ain't instantaneous), so >> it's far better to give everything it's own address and let them drift about >> independently. Also, it makes load-spreading (run PgSQL on one machine, >> memcached on the other, for instance) much easier. > > Pardon my Linux ignorance, but does mean we need one NIC per service as > well, or can we bind multiple (floating) IPs to each interface?
Yes, you can bind many IP addresses to a single NIC. The IP address management RAs pretty much depend on this behaviour. What (modern) OS are you familiar with that doesn't support this? - Matt _______________________________________________ Pacemaker mailing list Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker